What and how does RAM impact performance in the sim_

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RollingCache revisited, essential with aggressive culling, or set "Terrain Pre-Caching" to Ultra

Update WU6: Setting “Off Screen Terrain Pre-Caching” to Ultra turns the sim behavior back to how it was pre SU5. Everything around you stays in memory and rolling cache isn’t needed anymore. (Of course still useful if you fly back or visit the same area again) I disabled the rolling cache in the past since it was degrading my performance. However SU5 changed how everything works. Before: Everything stays in memory until you leave the area, then it gets written to the rolling cache. So if you j…